Mox Opal Tweet NM-Mint, English, limit 10 $34.92 / $38.41 credit Light Play, English, limit 10 $34.92 / $38.41 credit Moderate Play, English, limit 10 $27.16 / $29.88 credit Heavy Play, English, limit 10 $23.28 / $25.61 credit Buy This Product Details Color: Artifact Card Text: Metalcraft - T: Add one mana of any color to your mana pool. Activate this ability only if you control three or more artifacts. Rarity: M Cost: 0 Card Type: Legendary Artifact Artist: Volkan Baga Name: Mox Opal Finish: Regular Card Number: 223/249 Set Name: Modern Masters 2015